Calcium Fluoride (CaF₂)
Bi-Convex Lenses

Dukansu saman Bi-convex ko Double-convex (DCX) Lenses Spherical Lenses suna da siffar zobe kuma suna da radiyo masu kyau iri ɗaya na curvature, su ne tabbataccen ruwan tabarau waɗanda suka fi kauri a tsakiya fiye da na gefen. Lokacin da haƙoran da suka haɗu suka wuce ta cikin su, haske yana haɗuwa zuwa wurin mai da hankali na zahiri. Bi-convex sun shahara ga aikace-aikacen hoto masu iyaka da yawa a cikin yanayi inda abu da hoton suke a gefe daban-daban, an tsara su don samun tsayin tsayin f= (R1*R2)/((n-1)*(R2-R1) )).

Samfuran Buƙatun Buƙatun OEM

Bi-convex ruwan tabarau (ko ruwan tabarau biyu-convex) suna yin mafi kyau lokacin da abu ya fi kusa da ruwan tabarau kuma rabon haɗin gwiwa ya yi ƙasa. Lokacin da abu da nisa na hoto suka yi daidai (1:1 haɓakawa), ba wai kawai an rage ɓarnawar yanayi ba, har ma da ɓarna, kuma an soke aberration na chromatic saboda ma'auni. Don haka su ne mafi kyawun zaɓi lokacin da abu da hoto ke kan cikakkiyar ma'aunin haɗin gwiwa kusa da 1:1 tare da karkatar da katakon shigarwa. A matsayin ka'idar babban yatsan hannu, ruwan tabarau bi-convex suna aiki da kyau a cikin mafi ƙarancin ɓarna a ƙimar haɗin gwiwa tsakanin 5: 1 da 1: 5, ana amfani da su don aikace-aikacen hoto (Real Object and Hoto). A wajen wannan kewayo, ruwan tabarau na plano-convex yawanci sun fi dacewa.

Saboda girman watsawar sa daga 0.18 µm zuwa 8.0 μm, CaF2 yana nuna ƙaramin ma'aunin ratsawa wanda ya bambanta daga 1.35 zuwa 1.51 kuma ana amfani dashi don aikace-aikacen da ke buƙatar babban watsawa a cikin jeri na infrared da ultraviolet. Calcium fluoride shima ba shi da ƙarancin sinadarai kuma yana ba da tauri mafi girma idan aka kwatanta da barium fluoride, da kuma 'yan uwan magnesium fluoride. Paralight Optics yana ba da ruwan tabarau na Calcium Fluoride (CaF2) Bi-Convex wanda ke samuwa tare da babban shafi na AR wanda aka inganta don kewayon 2 µm zuwa 5 μm wanda aka ajiye a saman duka biyun. Wannan shafi yana rage matsakaicin tunani na substrate ƙasa da 1.25%, yana ba da matsakaicin watsawa fiye da 95% akan duk kewayon shafi na AR. Bincika Hotuna masu zuwa don bayanin ku.

Siffofin:

Abu:

Calcium Fluoride (CaF₂)

Akwai:

Ba a rufe ko tare da Rubutun Anti Reflection

Tsawon Hankali:

Akwai daga 15 zuwa 200 mm

Aikace-aikace:

Mafi dacewa don amfani tare da Laser Excimer

Bayanai gama gari:

pro-related-ico — Zane na Magana don

Lens biyu-convex (DCX).

Dia: Diamita
f: Tsawon Hankali
f_f: Tsawon Gaba
f_b: Tsawon Hankali na Baya
R: Radius na Curvature
t_c: Kauri na tsakiya
t_e: Kauri Gefe
H”: Babban Jirgin Sama

Lura: An ƙaddara tsayin mai da hankali daga babban jirgin sama na baya, wanda ba lallai ba ne ya yi layi tare da kaurin gefen.

Ma'auni

Ragewa & Haƙuri

Substrate Material

Calcium Fluoride (CaF₂)
Nau'in

Biyu-Convex (DCX) Lens
Fihirisar Refraction (nd)

1.434 @ Nd: Yag 1.064 μm
Lambar Abbe (Vd)

95.31
Ƙididdigar Ƙarfafa Ƙarfafa Ƙwararru (CTE)

18.85 x 10^-6/ ℃
Haƙuri na Diamita

Daidaitawa: +0.00/-0.10mm | Maɗaukakin Maɗaukaki: +0.00/-0.03 mm
Hakuri mai kauri

Daidaitawa: +/- 0.10 mm | Maɗaukakin Maɗaukaki: +/- 0.03 mm
Hakuri Tsawon Tsawon Hankali

+/-0.1%
Ingancin saman (scratch-dig)

Daidaitawa: 80-50 | Mafi Girma: 60-40
Spherical Surface Power

3 λ/4
Rarraba Surface (Kololuwa zuwa kwari)

λ/4
Cibiyar

Daidaitawa:<3 arcmin | High Precison: <1 arcmin
Share Budewa

90% na Diamita
Range Rufin AR

2-5m ku
Tunani akan Rage Rufe (@ 0° AOI)

Ravg<1.25%
Watsawa akan Rage Rufe (@ 0° AOI)

Tavg> 95%
Zane Tsayin Tsawon Tsawon Tsawon Lokaci

588nm ku
Ƙarfin Lalacewar Laser

> 5 j/cm²(100 ns, 1 Hz, @10.6μm)